Home / 3,429.14-4,730.47-2,168.07

Finding the Fourth Proportional to 3,429.14, 4,730.47 and 2,168.07

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Solution

The fourth proportional to 3,429.14, 4,730.47 and 2,168.07 is: 2,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.14 : 4,730.47 = 2,168.07 : x
  2. Step 2: Convert to fraction form
    3,429.14/4,730.47 = 2,168.07/x
  3. Step 3: Cross multiply
    3,429.14x = 4,730.47 × 2,168.07
  4. Step 4: Simplify right side
    3,429.14x = 10,255,966.93
  5. Step 5: Solve for x
    x = 10,255,966.93/3,429.14
  6. Step 6: Final answer
    x = 2,990.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.